290885112 has 48 divisors (see below), whose sum is σ = 900360240. Its totient is φ = 83109888.

The previous prime is 290885087. The next prime is 290885129. The reversal of 290885112 is 211588092.

It is a super-2 number, since 2×290885112² = 169228296766505088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288073 + ... + 289080.

It is an arithmetic number, because the mean of its divisors is an integer number (18757505).

Almost surely, 2^290885112 is an apocalyptic number.

It is an amenable number.

290885112 is an abundant number, since it is smaller than the sum of its proper divisors (609475128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290885112 is a wasteful number, since it uses less digits than its factorization.

290885112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577172 (or 577165 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 290885112 is about 17055.3543498809. The cubic root of 290885112 is about 662.5833189146.

The spelling of 290885112 in words is "two hundred ninety million, eight hundred eighty-five thousand, one hundred twelve".